Judge a node-engine change by the controller the mesh runs: the scope sets no validator judge (issue 1391, 1 of 2)

pullScope no longer gives a mesh-host change a Judge, and link.JudgeValidator is gone: the validator is mesh-sdk's, at the controller's pin (ADR 0446 clause 5). An older request that says validator is read as the controller the mesh runs.

internal/link/build.go

@@ -180,8 +180,9 @@ type CheckRequest struct {
 	// gate puts through `module check`.
 	Manifests []string `json:"manifests,omitempty"`
 	// Judge is who judges the gate: empty for the controller the mesh runs; JudgeSelf for a change to
-	// the controller, judged by itself; JudgeValidator for a change to the node-engine, judged by the
-	// running controller built with the change's validator in place of the one it vendors.
+	// the controller, judged by itself. A change to the node-engine is judged by the controller the mesh runs, as any
+	// module is: the validator is mesh-sdk's, at the controller's pin (novox/hq ADR 0446 clause 5). An older request that
+	// says "validator" is read the same way: the judge is the controller the mesh runs.
 	Judge string `json:"judge,omitempty"`
 	// Siblings are the other open pull requests of this one's delivery group the check reads beside it (novox/hq ADR
 	// 0382 §1): each repository found under Dir is read at the sibling's head merged onto the sibling's base, in
@@ -295,8 +296,7 @@ type GroupMember struct {
 
 // Who judges a merge check's gate.
 const (
-	JudgeSelf      = "self"
-	JudgeValidator = "validator"
+	JudgeSelf = "self"
 )
 
 // CheckedOut is a repository cloned beside a check, at a ref.